An existing Dell EMC customer wants to deploy a new VxRail cluster on premise. Each node of the new cluster will be configured with a single disk group containing one 1.6 TB Flash drive for the capaci

An existing Dell EMC customer wants to deploy a new VxRail cluster on premise. Each node of the new cluster will be configured with a single disk group containing one 1.6 TB Flash drive for the capacity tier. The customer plans on using mirroring and needs to have at least 2 TB of usable capacity in the vSAN datastore. What is the minimum number of VxRail nodes required?